EP2387531A4 - Konfiguration eines steif bewehrten rotors - Google Patents

Konfiguration eines steif bewehrten rotors

Info

Publication number
EP2387531A4
EP2387531A4 EP09838518.0A EP09838518A EP2387531A4 EP 2387531 A4 EP2387531 A4 EP 2387531A4 EP 09838518 A EP09838518 A EP 09838518A EP 2387531 A4 EP2387531 A4 EP 2387531A4
Authority
EP
European Patent Office
Prior art keywords
stiff
rotor configuration
plane rotor
plane
configuration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09838518.0A
Other languages
English (en)
French (fr)
Other versions
EP2387531B1 (de
EP2387531A1 (de
Inventor
Frank B Stamps
Patrick R Tisdale
Tom Donovan
Richard E Rauber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bell Helicopter Textron Inc
Original Assignee
Bell Helicopter Textron Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bell Helicopter Textron Inc filed Critical Bell Helicopter Textron Inc
Priority to EP15192629.2A priority Critical patent/EP3034398B1/de
Publication of EP2387531A1 publication Critical patent/EP2387531A1/de
Publication of EP2387531A4 publication Critical patent/EP2387531A4/de
Application granted granted Critical
Publication of EP2387531B1 publication Critical patent/EP2387531B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/33—Rotors having flexing arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/37—Rotors having articulated joints
    • B64C27/39—Rotors having articulated joints with individually articulated blades, i.e. with flapping or drag hinges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
    • B64C27/48—Root attachment to rotor head

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Tires In General (AREA)
  • Discharge By Other Means (AREA)
EP09838518.0A 2009-01-19 2009-01-19 Konfiguration eines steifen rotors Active EP2387531B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15192629.2A EP3034398B1 (de) 2009-01-19 2009-01-19 Konfiguration eines steifen rotors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2009/031381 WO2010082936A1 (en) 2009-01-19 2009-01-19 Stiff-in-plane rotor configuration

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP15192629.2A Division EP3034398B1 (de) 2009-01-19 2009-01-19 Konfiguration eines steifen rotors

Publications (3)

Publication Number Publication Date
EP2387531A1 EP2387531A1 (de) 2011-11-23
EP2387531A4 true EP2387531A4 (de) 2014-11-12
EP2387531B1 EP2387531B1 (de) 2015-11-04

Family

ID=42340026

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15192629.2A Active EP3034398B1 (de) 2009-01-19 2009-01-19 Konfiguration eines steifen rotors
EP09838518.0A Active EP2387531B1 (de) 2009-01-19 2009-01-19 Konfiguration eines steifen rotors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15192629.2A Active EP3034398B1 (de) 2009-01-19 2009-01-19 Konfiguration eines steifen rotors

Country Status (5)

Country Link
US (2) US8956117B2 (de)
EP (2) EP3034398B1 (de)
CN (1) CN102317155B (de)
CA (1) CA2749118C (de)
WO (1) WO2010082936A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3034398B1 (de) * 2009-01-19 2016-12-07 Bell Helicopter Textron Inc. Konfiguration eines steifen rotors
EP2457830B1 (de) * 2010-11-25 2014-11-12 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Verbindung einer Rotorenschaufel zur Rotorennabe
US9327832B2 (en) 2011-10-03 2016-05-03 Bell Helicopter Textron Inc. Elastomeric bearing with tapered shims
US10059438B2 (en) * 2011-12-26 2018-08-28 Textron Innovations Inc. Hub assembly with grease lubricated roller bearing and tension-torsion strap
EP2653384B1 (de) 2012-04-18 2019-10-02 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Flügelbefestigung für einen lagerlosen rotor eines helikopters
EP2653383B1 (de) 2012-04-18 2016-04-13 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Rotorblatt eines lagerlosen Rotors eines Hubschraubers
US9487291B2 (en) * 2012-12-05 2016-11-08 The Boeing Company Apparatus, system, and method for pitching and twisting a blade of a rotorcraft
US9457897B2 (en) * 2013-02-27 2016-10-04 Bell Helicopter Textron Inc. Rotor system shear bearing
US10336445B2 (en) 2013-03-12 2019-07-02 Bell Helicopter Textron Inc. High flapping yoke hub assembly using a cylindrical elastomeric attachment to avoid holes
US9505490B2 (en) 2013-03-13 2016-11-29 Bell Helicopter Textron Inc. Composite rotor system using two race track style cantilevered yokes
US9505489B2 (en) * 2013-03-13 2016-11-29 Bell Helicopter Textron Inc. Flexing clevis arrangement bolted joint attachment for flexible rotor hub with high offset and high flapping
US9656747B2 (en) * 2013-03-14 2017-05-23 Bell Helicopter Textron Inc. Soft in-plane and stiff out-of-plane rotor system
EP2818407B1 (de) * 2013-06-24 2016-12-21 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Rotorsystem eines Hubschraubers
US9499262B2 (en) 2013-08-02 2016-11-22 Bell Helicopter Textron Inc. Composite flexure for tiltrotor rotor system
US9334048B2 (en) 2013-09-18 2016-05-10 Bell Helicopter Textron Inc. Elastomeric bearing having tapered layers
US9657816B2 (en) * 2013-11-01 2017-05-23 Bell Helicopter Textron Inc. Drive link for tiltrotor rotor system
US9701403B2 (en) * 2014-02-18 2017-07-11 Bell Helicopter Textron Inc. Broad goods composite yoke for rotor system
US9873507B2 (en) * 2014-02-26 2018-01-23 Bell Helicopter Textron Inc. Rotorcraft elastomeric bearing assembly
FR3057541B1 (fr) 2016-10-14 2019-03-29 Airbus Helicopters Amortisseur de trainee integre a l'interieur d'une pale d'un rotor
US10994829B2 (en) * 2017-09-22 2021-05-04 The Boeing Company Foldable rotor assembly for fixed-wing VTOL aircraft
US11427315B2 (en) 2019-06-26 2022-08-30 Textron Innovations Inc. Rotor blade control system
KR20230147090A (ko) * 2021-01-22 2023-10-20 오버에어, 인코퍼레이티드 전기 항공기를 위한 추진 시스템
CN117944869B (zh) * 2024-03-27 2024-05-31 山西观复智能科技有限公司 一种半柔性三桨叶桨毂

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351006A1 (fr) * 1976-05-11 1977-12-09 Westland Aircraft Ltd Rotor pour helicoptere
US20080003106A1 (en) * 2005-09-30 2008-01-03 The Boeing Company Rotor apparatus and methods for vertical lift aircraft

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462755A (en) * 1981-08-24 1984-07-31 The United States Of America As Represented By The Secretary Of The Navy Anvil-strap rotor
US4427304A (en) * 1982-04-07 1984-01-24 United Technologies Corporation Method for cryogenic proof testing of rotating parts
US4427340A (en) 1982-06-24 1984-01-24 Bell Helicopter Textron Inc. Soft inplane bearingless helicopter rotor
WO2003039950A2 (en) * 2001-11-07 2003-05-15 Rehco Llc Propellers, propeller stabilizers, and propeller related vehicles
US7665969B2 (en) 2005-01-24 2010-02-23 Bell Helicopter Textron Inc. Assembly for providing flexure to blade system
CN101583535B (zh) 2006-01-13 2013-11-06 贝尔直升机泰克斯特龙公司 硬共面的、装有万向架的斜旋翼毂
EP3034398B1 (de) * 2009-01-19 2016-12-07 Bell Helicopter Textron Inc. Konfiguration eines steifen rotors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351006A1 (fr) * 1976-05-11 1977-12-09 Westland Aircraft Ltd Rotor pour helicoptere
US20080003106A1 (en) * 2005-09-30 2008-01-03 The Boeing Company Rotor apparatus and methods for vertical lift aircraft

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010082936A1 *

Also Published As

Publication number Publication date
EP2387531B1 (de) 2015-11-04
US9878782B2 (en) 2018-01-30
US20110274548A1 (en) 2011-11-10
CA2749118A1 (en) 2010-07-22
US20150158583A1 (en) 2015-06-11
CN102317155A (zh) 2012-01-11
CN102317155B (zh) 2014-08-06
EP3034398B1 (de) 2016-12-07
EP2387531A1 (de) 2011-11-23
US8956117B2 (en) 2015-02-17
CA2749118C (en) 2015-09-08
EP3034398A1 (de) 2016-06-22
WO2010082936A1 (en) 2010-07-22

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